Chest guard



FIG. 1 is a perspective view of a chest guard of the claimed design;

FIG. 2 is a front elevational view of the chest guard of FIG. 1 of the claimed design;

FIG. 3 is a rear elevational view of the chest guard of FIG. 1 of the claimed design;

FIG. 4 is a left end elevational view of the chest guard of FIG. 1 of the claimed design;

FIG. 5 is a right end elevational view of the chest guard of FIG. 1, shown from the opposite side as shown in FIG. 4;

FIG. 6 is an elevational inside view of the chest guard of FIG. 1, shown unfastened and expanded;

FIG. 7 is an elevational outside view of the chest guard of FIG. 1, shown unfastened and expanded; and,

FIG. 8 is a bottom view of the chest guard of FIG. 1 of the claimed design.

The broken lines in the drawing represent stitching. 

The ornamental design for a chest guard, as shown and described. 